Barbarians at the gate : the origins of guerrilla warfare -- Liberty or death : the rise of liberal revolutionaries -- The spreading oil spot : the wars of empire -- The bomb throwers : the first age of international terrorism -- The sideshows : guerrillas and commandos in the world wars -- The end of empire : the wars of "national liberation" -- Radical chic : the romance of the leftist revolutionaries -- God's killers : the rise of radical Islam.